I have a friend who is looking at purchasing a Phase 5 XD. We want to make sure its not a fake. We know it will have the 4V Head, but with out taking the rocker cover off, we dont know how to identify the difference between the 2V and 4V. Is there any difference on the heads that will make this easier to spot the difference.

pulling off the rocker cover wont help, same shit under there but out side the rocker cover in the corner of the heads there should be a small raised 4 indicating its a 4v, bottom ends are also the same shit nothing special

TyreToaster

Where exactly do i need to look at. Sorry, i just want to make sure i am looking at..

where the intake manifold meets the heads so the top side of the head the rocker cover will be round as it goes round the corner but the head stays square, that is where the 4 will be, but it shouldnt b a 4v motor anyway by 4v they mean 4 barrel carby not heads and thats nothing to get excited about, unless it actually has 4v's in which case you got big assed heads.

I don't think all 4v heads have the stamp There are so many different 4v heads. The quickest way would be to remove one of the extractors and have a look at the gasket or the huge port in the head. Take a 2v exhaust gasket along to compare so you know what you are looking for. They might let you have a look you never know.

4V does mean the heads TyreToaster, the carby is 4-Barrel standard coz of the fuel it will be using! LOTS!. 4V's have much bigger inlet and exhaust ports - slower airspeed, which is why alot of drag racers use 2V heads to get more airspeed to create a quicker turnaround in fuel burning.

4V does mean the heads TyreToaster, the carby is 4-Barrel standard coz of the fuel it will be using! LOTS!. 4V's have much bigger inlet and exhaust ports - slower airspeed, which is why alot of drag racers use 2V heads to get more airspeed to create a quicker turnaround in fuel burning.

Cheers
ViGiLaNtE

Ford the manufacturer when stating 4V doesn't mean 4V heads.

By the manufacturer:

2V is two venturi.
4V is four venturi.

According my my owners manual my XC fairmont had a 4V engine in it. Well it did a 4 venturi 351. 351 open chamber 2V heads though.

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